Objects in the image:
category: motorcycle
category: motorcycle
category: person
category: motorcycle
category: motorcycle
category: motorcycle
category: person
category: motorcycle
category: person
category: person
category: motorcycle
category: motorcycle
category: person
category: motorcycle

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a bike?
a: Yes
q: is it the one ridden by the guy closest to us?
a: No
q: is it the one to the right?
a: No
q: is it the one at the front of the pack on the curve?
a: Yes